EP2167821A1 - Carter de pompe - Google Patents

Carter de pompe

Info

Publication number
EP2167821A1
EP2167821A1 EP08784820A EP08784820A EP2167821A1 EP 2167821 A1 EP2167821 A1 EP 2167821A1 EP 08784820 A EP08784820 A EP 08784820A EP 08784820 A EP08784820 A EP 08784820A EP 2167821 A1 EP2167821 A1 EP 2167821A1
Authority
EP
European Patent Office
Prior art keywords
pump housing
pressure
channel
suction
connection point
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP08784820A
Other languages
German (de)
English (en)
Inventor
Viktor Refenius
Rolf Popelka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Magna Powertrain Bad Homburg GmbH
Original Assignee
ixetic Bad Homburg GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ixetic Bad Homburg GmbH filed Critical ixetic Bad Homburg GmbH
Publication of EP2167821A1 publication Critical patent/EP2167821A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/06—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations specially adapted for stopping, starting, idling or no-load operation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/30—Casings or housings

Definitions

  • the invention relates to a pump housing, in particular a vane pump housing, with a suction connection point, from which a suction port emanates at a Saugkanalmündung in a receiving space in the pump housing, and with a pressure connection point, from which a pressure channel emanating at a pressure channel mouth into the receiving space empties.
  • the object of the invention is to provide a pump housing, in particular a vane pump housing, with a suction connection point, from which a suction channel discharges at a suction channel mouth into a receiving space in the pump housing, and with a pressure connection point, from which a pressure channel emerges, at a pressure channel mouth opens into the receiving space to create, which in different installation situations trouble-free operation, in particular a trouble-free start, a pump equipped with the pump housing, in particular a vane pump allows.
  • the object is with a pump housing, in particular a vane pump housing, with a suction connection point, from which a suction channel emanates at a Saugkanalmündung in a receiving space in the pump housing, and with a pressure connection point, from which a pressure channel emanating at a pressure channel mouth in the Receiving space opens, thereby achieved that the suction connection point, the pressure connection point, the Saugkanalmündung and / or the Druckkanalmündung are arranged so that in different installation situations, a minimum level of existing in the receiving space winnings is not exceeded.
  • the receiving space serves to receive a rotation group, which includes, for example, a rotor with wings, a contour ring and at least one side plate.
  • a rotation group which includes, for example, a rotor with wings, a contour ring and at least one side plate.
  • the suction connection point, the pressure connection point, the Saugkanalmündung and the pressure channel orifice are arranged or coordinated so that in any installation situations, the minimum level of existing in the receiving space redesignfiuids is not exceeded.
  • the suction connection point comprises a suction connection opening on the outside of the housing.
  • the Pressure connection point comprises a pressure connection opening outside the housing.
  • the housing is preferably made in one piece.
  • a preferred embodiment of the pump housing is characterized in that the pressure channel mouth is arranged in a receiving space limiting end wall of the pump housing within a radius which is smaller than the circumference of the receiving space.
  • the pressure port mouth may, for example, allow for underwing.
  • the pressure channel mouth is arranged in a recess of the end wall of the pump housing. Said radius is preferably smaller than the rotor radius of a rotor of a pump equipped with the pump housing according to the invention, in particular a vane pump.
  • a further preferred embodiment of the pump housing is characterized in that the pressure channel has a further pressure channel mouth, which is arranged in a receiving space bounding the peripheral wall of the pump housing.
  • the two pressure channel mouths communicate with each other via the pressure channel.
  • the further pressure channel opening allows the outflow of the pumped in the operation of a pump equipped with the pump housing according to the invention, in particular vane pump, pressurized delivery fluid into the receiving space.
  • a further preferred exemplary embodiment of the pump housing is characterized in that the pressure connection point is connected by a pressure connection channel to a pressure connection region which connects the end of the pressure connection channel facing away from the pressure connection point to the further pressure channel outlet.
  • the pressure connection channel is part of the pressure channel.
  • Another pressure connection area connects the pressure connection channel with the first mentioned pressure channel mouth.
  • a further preferred exemplary embodiment of the pump housing is characterized in that the end of the pressure connection channel facing away from the pressure connection point and the pressure connection point are arranged radially outside and in the axial direction offset from the peripheral wall of the pump housing delimiting the receiving space.
  • the pressure connection channel extends outside the receiving space.
  • a further preferred exemplary embodiment of the pump housing is characterized in that the suction channel opening is arranged in the circumferential wall of the pump housing delimiting the receiving space. The suction channel mouth allows the inflow of the delivery fluid into the receiving space.
  • Another preferred exemplary embodiment of the pump housing is characterized in that the suction connection point is connected by a suction connection channel to a suction connection region which connects the end of the suction connection channel facing away from the suction connection point to the suction channel outlet.
  • the SaugMISskanal is part of the suction channel.
  • Another preferred exemplary embodiment of the pump housing is characterized in that the end of the suction connection channel facing away from the suction connection point and the suction connection point are arranged radially outside and in the axial direction offset from the peripheral wall of the pump housing delimiting the receiving space.
  • the SaugMISskanal extends outside of the receiving space.
  • a further preferred embodiment of the pump housing is characterized in that the SaugMISskanal runs parallel to the pressure-connecting channel.
  • the connection channels are in the form of tubes integrally connected to the pump housing.
  • a further preferred embodiment of the pump housing is characterized in that the suction connection channel and the pressure connection channel extend in a plane which is arranged parallel to the end wall of the pump housing delimiting the receiving space.
  • the longitudinal axes of the running for example, as bores connecting channels in the said plane.
  • Figure 6 is a view similar to Figure 5 without rotor and without side plate;
  • Figure 7 is a similar view as in Figure 6 with side plate and
  • FIGS. 1 to 8 show a vane pump 1 in various installation situations and views.
  • the vane pump 1 comprises a pump housing 2 with a suction connection point 4 and a pressure connection point 5.
  • An arrow 6 indicates that a delivery medium is sucked into the pump housing 2 at the suction connection point 4.
  • the medium to be conveyed is preferably oil, for example diesel fuel.
  • the oil may also be hydraulic oil.
  • the conveying medium which is also referred to as conveying fluid, is pressurized in the pump housing 2.
  • the pressurized delivery fluid exits the pump housing 2 at the pressure connection point 5, as indicated by an arrow 7.
  • a suction channel 8 extends through the pump housing 2 to a suction channel mouth 9, at which the suction channel 8 opens into a receiving space 10 for a rotation group.
  • the rotation group includes a rotor 12 driven by a drive shaft (not shown).
  • the rotor 12 is provided on its peripheral surface with radially extending slots in which wings 14, 15 are movably guided.
  • the rotor 12 with the wings 14, 15 is surrounded by a stroke contour 16, which is formed on a contoured ring 18.
  • the Hubkontur 16 is formed so that there are two sickle-shaped delivery chambers, which are traversed by the wings 14, 15. In this case, two pump sections are created, each with a suction and a pressure range.
  • the delivery fluid is sucked in the suction area and pressurized in the pressure range.
  • the pressurized delivery fluid is supplied to a consumer.
  • the consumer is, for example, a power steering device, a transmission or a part of an internal combustion engine.
  • the invention relates to both one-handed and saubige vane pumps.
  • the pressure connection point 5 communicates with the receiving space 10 via a pressure channel 20 which opens into the receiving space 10 at a pressure channel mouth 21.
  • the pressure channel mouth 21 is connected via the pressure channel 20 with a further pressure port mouth 22 in connection.
  • the pressure channel mouth 21 is arranged in an end wall 25 of the pump housing 2 in the region of a depression 26.
  • the end wall 25 limits the receiving space 10 in the axial direction.
  • the term axial direction refers to the axis of rotation of the rotor of the vane pump.
  • In the circumferential direction of the receiving space 10 is bounded by a peripheral wall 28, in which, as can be seen in Figure 2, the further pressure port mouth 22 is arranged.
  • the pressure channel 20 comprises a pressure connection channel 29, which extends from the pressure connection point 5 in a straight line through the pump housing 2 to a closed end 30.
  • the end 30 of the pressure connection channel 29 is connected via a pressure connection region 31 with the further pressure channel mouth 22 in connection.
  • connection points 4, 5, the channels 8, 20 and the channel openings 9, 21, 22 are arranged in the pump housing 2 according to the invention so that with the same pump housing 2 all possible mounting positions of a rotation of the pump housing 2 from 0 to 360 degrees to the Rotary axis of the rotor 12 can be realized. It is ensured by the inventive design of the pump housing 2 in any mounting position that the fluid maintains a certain minimum level to maintain the desired siphon effect. By strokes 37, 38, 39, the fluid is indicated, which remains in the various mounting positions in the pump housing 2.
  • connection channels 29, 35 extend in the horizontal direction through the pump housing 2.
  • the pressure connection channel 29 is arranged above the suction connection channel 35.
  • the pump housing 2 is installed rotated by 180 degrees with respect to the installation position shown in Figure 1.
  • the connecting channels 29 and 35 also extend in the horizontal direction, but the Saugtagenskanal 35 is disposed above the pressure-connecting channel 29.
  • the minimum level of the conveying fluid 37 to 39 is determined by an overflow point 42 at the pressure channel mouth 21 and a further overflow line 43 at the further pressure port mouth 22. It is also possible that the two overflow points 42, 43 or the associated pressure channel mouths 21, 22 are not arranged at the same height. If the two overflow points or pressure channel mouths are arranged at different heights, then the minimum level of the conveying fluid is determined by the deeper overflow point or pressure channel mouth.
  • FIG. 3 shows an installation position of the pump housing 2, in which the connection points 4, 5 are arranged below, so that the connection channels 29, 35 are arranged in the vertical direction. to run.
  • the minimum level of the conveying fluid 37 to 39 is determined by an overflow point 44 at the pressure channel mouth 21. Since the further pressure port mouth and the suction port mouth are arranged above the pressure port mouth 21, they have no influence on the minimum level of the conveying fluid 37 to 39.
  • the pump housing 2 is installed so twisted that the connecting channels 29, 35 are arranged at an angle of about 25 degrees to the horizontal so that the pressure connection point 5 is below the suction connection point 4.
  • the minimum level of the conveying fluid 37 to 39 is determined by an overflow point 45 at the pressure channel mouth 21.
  • FIG. 6 shows a similar installation position as shown in Figure 5, wherein the pump housing 2 is shown without the rotation group with a view of the pressure channel mouth 21. By arrows 47, 48, the flow through the pump housing 2 is indicated.
  • FIGS. 7 and 8 it can be seen that in the receiving space 10, a side plate 50 bears against the end wall 25.
  • the mounting position shown in Figure 7 corresponds to the mounting position shown in Figure 6.
  • the minimum level of the conveying fluid 37 to 39 is determined by the overflow point 46 at the pressure channel mouth 21.
  • the pressure port mouth 21 is indicated in the figures 1, 2, 3, 4, 5 and 7 only by dashed lines, since it is not visible in the views shown.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)

Abstract

Carter de pompe, notamment de pompe à palettes, comportant un emplacement de raccord d'aspiration (4) d'où part un conduit d'aspiration (8) qui, à un orifice (9) de conduit d'aspiration, débouche dans un espace récepteur du carter de pompe, ainsi qu'un emplacement de raccord de refoulement (5) d'où part un conduit de refoulement (20) qui, à un orifice (21) de conduit de refoulement, débouche dans l'espace récepteur. L'emplacement de raccord d'aspiration, l'emplacement de raccord de refoulement, l'orifice de conduit d'aspiration et/ou l'orifice de conduit de refoulement sont disposés de manière à maintenir à un niveau minimum le fluide refoulé se trouvant dans l'espace récepteur, dans différentes positions de montage du carter de pompe.
EP08784820A 2007-07-25 2008-07-17 Carter de pompe Withdrawn EP2167821A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007036552 2007-07-25
PCT/EP2008/005823 WO2009012921A1 (fr) 2007-07-25 2008-07-17 Carter de pompe

Publications (1)

Publication Number Publication Date
EP2167821A1 true EP2167821A1 (fr) 2010-03-31

Family

ID=39967153

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08784820A Withdrawn EP2167821A1 (fr) 2007-07-25 2008-07-17 Carter de pompe

Country Status (4)

Country Link
US (1) US8936452B2 (fr)
EP (1) EP2167821A1 (fr)
DE (1) DE112008001671A5 (fr)
WO (1) WO2009012921A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1025520B1 (nl) 2017-08-29 2019-04-03 Atlas Copco Airpower Naamloze Vennootschap Machine voorzien van een oliepomp en een werkwijze om dergelijke machine te starten
WO2019043470A1 (fr) * 2017-08-29 2019-03-07 Atlas Copco Airpower, Naamloze Vennootschap Machine équipée d'une pompe à huile et procédé de démarrage d'une telle machine
MX2020002121A (es) * 2017-08-29 2020-07-20 Atlas Copco Airpower Nv Maquina provista de una bomba de aceite y un metodo para arrancar dicha maquina.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB103199A (en) * 1916-02-21 1917-01-18 Thomas Simpson Improvements in or relating to Rotary Pumps.
GB169229A (en) 1920-06-15 1921-09-15 William Henry Eizerman Improvements in rotary pumps
US2475844A (en) * 1945-05-09 1949-07-12 Eaton Pump Mfg Company Inc Axially sliding vane rotary pump
US3824040A (en) * 1972-04-06 1974-07-16 Compump Syst Inc Floatless control of liquid level, especially useful in atomizing systems
DE2327814C2 (de) * 1973-06-01 1984-05-30 Mannesmann Rexroth GmbH, 8770 Lohr Flügelzellenpumpe mit Entlüftungsventil
SU950956A1 (ru) 1980-07-07 1982-08-15 Предприятие П/Я М-5356 Самовсасывающий центробежный насос
US4386891A (en) 1981-04-23 1983-06-07 General Motors Corporation Rotary hydraulic vane pump with undervane passages for priming
JPS59126095A (ja) 1983-01-06 1984-07-20 Matsushita Electric Ind Co Ltd ベ−ンポンプ
GB8706754D0 (en) * 1987-03-21 1987-04-23 Lucas Ind Plc Vane pump

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2009012921A1 *

Also Published As

Publication number Publication date
WO2009012921A1 (fr) 2009-01-29
US8936452B2 (en) 2015-01-20
US20100189586A1 (en) 2010-07-29
DE112008001671A5 (de) 2010-06-17
WO2009012921A8 (fr) 2009-03-26

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